Samsung Electronics Co., Ltd.

Chulho Chung

Jonghun Han

Myeongjin Kim

Eunsung Jeon

Wookbong Lee

Jinmin Kim

Srinivas Kandala

Sharan Naribole

Jun-gu Kang

Myoungkyu Park

Jeoneun Sung

A wireless communication method performed by a first apparatus may include obtaining back-off counts of a plurality of links, when a back-off count of a first link among the plurality of links is zero, selecting a first or a second transmission method; when the first transmission method is selected, transmitting first data to a second apparatus over the first link, and when the second transmission method is selected, delaying transmission of the first data to the second apparatus until a back-off count of a second link among the plurality of links becomes zero.

Apparatus and method for multi-link-based wireless communication

The present disclosure provides a wireless communication method. The wireless communication method includes a first device used to negotiate a buffer size with a second device, provide data including a duration field to the second device, and receive a first block acknowledgement from the second device. The first block acknowledgement may include a first block acknowledgement bitmap. The duration field included in the data from the first device may include an indication of a duration associated with the first block acknowledgment that is less than an upper bound duration associated with a second block acknowledgement that includes a second block acknowledgement bitmap with a maximum length.

Apparatus and method for block acknowledgement within reduced duration

A wireless communication method performed by a first device includes entering a transmission preparation period of a first Request To Send (RTS) frame via a first link; obtaining transmission-related information of a second RTS frame via a second link; determining at least one of a first transmission timing and content of the first RTS frame, based on the transmission-related information of the second RTS frame; generating the first RTS frame based on a result of the determining; and transmitting, to a second device via the first link, the generated first RTS frame.

Device and method for wireless communication using multiple links

The present disclosure provides methods and apparatuses for wireless communications. In some embodiments, a wireless communication method of a first device includes receiving a physical layer protocol data unit (PPDU) from a second device, and identifying a channel bandwidth of the PPDU based on a first field and a second field related to the channel bandwidth of the PPDU. The first field and the second field are extracted from a signal field included in the PPDU.

Device and method for supporting communication using plurality of bandwidths in wireless local area network system

A method includes generating a first aggregated physical layer protocol data unit (PPDU) including a first null data packet (NDP) based on an extremely high throughput (EHT) protocol standard and a second NDP based on an EHT+ protocol standard, which is a next generation of the EHT protocol standard, and transmitting the first aggregated PPDU to a second apparatus in a wireless local area network (WLAN) system. Each of the first NDP and the second NDP has a same duration, and the first NDP is transmitted in a first band and the second NDP is transmitted in a second band that is different from the first band.

Apparatus and method for channel sounding

A method of a first device communicating with at least one second device in a wireless local area network (WLAN) system includes the first device generating a null data packet announcement (NDPA) frame and transmitting the NDPA frame to the at least one second device. The generating of the NDPA frame includes identifying a protocol version of the at least one second device and the NDPA frame includes an NDPA version subfield generated based on the protocol version.

Apparatus and method for wireless communication based on enhanced null data packet announcement

A wireless communication method, by a first apparatus, includes receiving a first Physical Layer Protocol Data Unit (PPDU) from a second apparatus, extracting a first field from a first signal field included in the first PPDU, and identifying the number of symbols in the second signal field included in the first PPDU based on a value of the first field, wherein, when the first field has a first value, the identifying the number of symbols in the second signal field includes identifying that the number of symbols in the second signal field is equal to or greater than a first number.

Apparatus and method for extended signal field

A method for a first device to communicate with at least one second device in a wireless local area network (WLAN) system includes providing a first trigger frame to at least one second device, the first trigger frame requesting at least one sounding null data packet (NDP), providing a feedback frame to the at least one second device, the feedback frame including feedback information generated based on the at least one sounding NDP, and providing a second trigger frame to the at least one second device, the second trigger frame requesting at least one beamformed physical layer protocol data unit (PPDU), each of the first trigger frame and the feedback frame including a sounding dialog token number field having a sounding sequence number.

Apparatus and method of uplink beamforming in wireless local area network system

A second apparatus for wireless communication includes: a transceiver; and a processing circuit configured to receive, from a first apparatus via the transceiver, a physical layer protocol data unit (PPDU) including a first signal field having a fixed length and a second signal field having a variable length. The second signal field includes an orthogonal frequency-division multiplexing (OFDM) symbol block including at least one OFDM symbol, and one or more repetitions of the OFDM symbol block.

Apparatus and method for extended range communication

The present disclosure provides a wireless communication method. The wireless communication method may be performed by a first apparatus and may include acquiring a transmit opportunity (TXOP) for transmitting a first physical layer protocol data unit (PPDU) with a first transmission power, limiting a second transmission power of a second apparatus for sharing the TXOP with the second apparatus, and transmitting the first PPDU to a third apparatus with the transmission power in the shared TXOP.

Apparatus and method for coordinated spatial reuse in wireless communication

A wireless communication method performed by a first apparatus includes acquiring a transmit opportunity (TXOP) to transmit or receive a first physical layer protocol data unit (PPDU), identifying a second apparatus for sharing the TXOP, permitting at least one of transmission and reception of a second PPDU to the second apparatus in the shared TXOP, and transmitting the first PPDU to at least one third apparatus in the shared TXOP or receiving the first PPDU from the at least one third apparatus.

A method of communicating between a first device (e.g., an AP) and each of with a legacy device and a non-legacy device (e.g., STAs) includes, at the first device, generating a first information field for the legacy device, generating a second information field for the non-legacy device, generating a frame including the first information field and the second information field, and transmitting the frame, wherein the first information field includes a first value by which the legacy device identifies the first information field as valid, wherein the second information field includes a second value by which the legacy device identifies the second information field as invalid.

Apparatus and method for signaling expansion in wireless local area network system

A method of performing wireless communication including generating, by a wireless transmission device, an Aggregate-Medium Access Control (MAC) Protocol Data Unit (A-MPDU) including a plurality of MPDUs and a plurality of sequence numbers corresponding to the plurality of MPDUs, transmitting, by the wireless transmission device, the A-MPDU to a wireless reception device, generating, by the wireless reception device, burst information based on one or more success sequence numbers among the plurality of sequence numbers, the one or more success sequence numbers corresponding to one or more MPDUs successfully received by the wireless reception device among the plurality of MPDUs, and transmitting, by the wireless reception device, a block acknowledgement (BA) frame based on the burst information to the wireless transmission device.

Method of performing wireless communication, wireless transmission device and wireless reception device performing the same

The present disclosure provides a wireless communication method. The wireless communication method includes a first apparatus communicating with at least one second apparatus in a wireless local area network (WLAN) system. The wireless communication method generates an aggregated physical layer protocol data unit (PPDU) including a first null data packet (NDP) based on a first protocol standard and a second NDP based on a second protocol standard and transmits the aggregated PPDU to the at least one second apparatus, wherein the first NDP and the second NDP have a same duration in different frequency bands.

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Gyeonggi, South Korea

Chulho Chung